some work on Manager

ModpackUpdater.Apps.Manager/Program.cs

@@ -1,3 +1,5 @@
+using Pilz.Plugins.Advanced;
+
 namespace ModpackUpdater.Apps.Manager;
 
 internal static class Program
@@ -12,6 +14,7 @@ internal static class Program
         // see https://aka.ms/applicationconfiguration.
         ApplicationConfiguration.Initialize();
         AppGlobals.Initialize();
+        PluginFeatureController.Instance.RegisterAllOwn();
         Application.Run(new Form1());
     }
 }